Mermaids are a miracle of nature — a chimera with human parts and fish parts, able to move between two worlds. But what are they like on the inside? A slew of artists and scientists have imagined mermaid anatomy.

At the top is the work of artist Walmor Corrêa. Possibly the most famous of all Mermaid anatomy artists, Corrêa is known for his artwork showing the anatomy of all kinds of mythical creatures. We've got a collection of both is male and his female mer-person work.